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The asymptotic behaviour of parton distributions at small and large x

Abstract:

It has been argued from the earliest days of quantum chromodynamics that at asymptotically small values of x the parton distribution functions (PDFs) of the proton behave as xαxα, where the values of αα can be deduced from Regge theory, while at asymptotically large values of x the PDFs behave as (1−x)β(1−x)β, where the values of ββ can be deduced from the Brodsky–Farrar quark counting rules. We critically examine these claims by extracting the exponents αα and ββ from various global fits of ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1140/epjc/s10052-016-4240-4

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Publisher:
Springer Berlin Heidelberg Publisher's website
Journal:
European Physical Journal C Journal website
Volume:
76
Issue:
7
Pages:
Article: 383
Publication date:
2016
DOI:
EISSN:
1434-6052
ISSN:
1434-6044
URN:
uuid:259b8199-f13d-410d-ba0e-70d9aae7b005
Source identifiers:
634244
Local pid:
pubs:634244

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